diff --git a/package/json-for-modern-cpp/json-for-modern-cpp.mk b/package/json-for-modern-cpp/json-for-modern-cpp.mk
index 6e21723fd4..94cdc909f3 100644
--- a/package/json-for-modern-cpp/json-for-modern-cpp.mk
+++ b/package/json-for-modern-cpp/json-for-modern-cpp.mk
@@ -12,6 +12,6 @@ JSON_FOR_MODERN_CPP_LICENSE_FILES = LICENSE.MIT
 JSON_FOR_MODERN_CPP_INSTALL_STAGING = YES
 # header only library
 JSON_FOR_MODERN_CPP_INSTALL_TARGET = NO
-JSON_FOR_MODERN_CPP_CONF_OPTS = -DJSON_BuildTests=OFF
+JSON_FOR_MODERN_CPP_CONF_OPTS = -DJSON_BuildTests=OFF -DJSON_MultipleHeaders=ON
 
 $(eval $(cmake-package))